Dietary supplement



FIG. 1 is a top perspective view of a dietary supplement according to our new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a side view thereof.

The broken line depictions form no part of the claimed design. 

CLAIM The ornamental design for a dietary supplement, as shown and described. 